Cases of word usage

1) to collect (a great deal of money, power) (amass)

2) having or showing a great deal of confidence (assertive)

3) of deal (dealt)

4) costing a great deal of money, people, effort etc (expensive)

5) causing fear or anxiety; difficult to deal with or overcome (formidable)

6) to hold and struggle with; to try to deal with (a problem etc) (grapple)

7) a part of a tool, cup, bucket, door, drawer etc by which it may be held in the hand; to manage, deal with, (a person, thing) (handle)

8) (of difficulties etc) too large or serious to oppose, deal with, successfully (insurmountable)

9) to deal with (a situation, person etc) roughly, inefficiently or without ability (mishandle)

10) a person who knows a great deal about a subject (pundit)